Startseite Crystal structure of catena-{poly[bis(O,O′-diethyldithiophosphato-S)-(μ2-1,2-bis(4-pyridylmethylene)hydrazine-N,N′)-zinc(II)] di-acetonitrile solvate}, {C20H30N4O4P2S4Zn ⋅ 2 C2H3N}n
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Crystal structure of catena-{poly[bis(O,O′-diethyldithiophosphato-S)-(μ2-1,2-bis(4-pyridylmethylene)hydrazine-N,N′)-zinc(II)] di-acetonitrile solvate}, {C20H30N4O4P2S4Zn ⋅ 2 C2H3N}n

  • Yee Seng Tan und Edward R.T. Tiekink EMAIL logo
Veröffentlicht/Copyright: 9. Juli 2019

Abstract

C24H36N6O4P2S4Zn, triclinic, P1̄ (no. 2), a = 11.2847(2) Å, b = 12.6967(3) Å, c = 13.6595(3) Å, α = 64.738(2)°, β = 72.181(2)°, γ = 76.681(2)°, V = 1673.68(7) Å3, Z = 2, Rgt(F) = 0.0225, wRref(F2) = 0.0582, T = 100(2) K.

CCDC no.: 1903612

A part of the coordination polymer is shown in the figure. Table 1 contains crystallographic data and Table 2 contains the list of the atoms including atomic coordinates and displacement parameters.

Table 1:

Data collection and handling.

Crystal:Yellow prism
Size:0.21 × 0.11 × 0.11 mm
Wavelength:Cu Kα radiation (1.54184 Å)
μ:4.59 mm−1
Diffractometer, scan mode:XtaLAB Synergy, ω
θmax, completeness:67.1°, >99%
N(hkl)measured, N(hkl)unique, Rint:36948, 5995, 0.024
Criterion for Iobs, N(hkl)gt:Iobs > 2 σ(Iobs), 5730
N(param)refined:376
Programs:CrysAlisPRO [1], SHELX [2], [3], WinGX/ORTEP [4]
Table 2:

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).

AtomxyzUiso*/Ueq
Zn0.36954(2)0.36824(2)0.39290(2)0.01202(6)
S10.23479(4)0.25914(3)0.39044(3)0.01609(9)
S20.44385(4)0.31226(4)0.14029(3)0.02028(9)
S30.30974(4)0.42341(3)0.54632(3)0.01496(9)
S40.38117(4)0.13012(3)0.67850(3)0.01831(9)
P10.27842(4)0.27156(3)0.23001(3)0.01397(9)
P20.26007(4)0.26812(3)0.66833(3)0.01314(9)
O10.17459(11)0.36124(10)0.17050(10)0.0194(2)
O20.24593(10)0.15270(9)0.23711(9)0.0173(2)
O30.22195(11)0.30000(9)0.77577(9)0.0170(2)
O40.13372(10)0.24194(9)0.65770(9)0.0171(2)
N10.54321(12)0.27137(11)0.39660(11)0.0141(3)
N20.95302(13)0.04823(12)0.48961(12)0.0184(3)
N30.38850(12)0.53304(11)0.27162(11)0.0134(3)
N40.49900(13)0.94340(11)0.04248(11)0.0170(3)
N50.13990(18)0.66076(17)0.96912(18)0.0445(5)
N61.11947(17)−0.07987(16)0.07853(17)0.0408(4)
C10.04195(16)0.34375(16)0.21888(16)0.0241(4)
H1A0.0329270.2736620.2893880.029*
H1B0.0073020.3312120.1667920.029*
C2−0.0273(2)0.44934(18)0.2404(2)0.0418(5)
H2A−0.1170890.4410690.2675960.063*
H2B−0.0133760.5190580.1712640.063*
H2C0.0027830.4575310.2966660.063*
C30.33081(16)0.04584(14)0.26961(14)0.0189(3)
H3A0.3444720.0278180.3436270.023*
H3B0.4127750.0547990.2148650.023*
C40.27153(17)−0.05114(15)0.27361(15)0.0235(4)
H4A0.326712−0.1249040.2954020.035*
H4B0.258642−0.0323820.1999090.035*
H4C0.190628−0.0592530.3281340.035*
C50.17875(19)0.20868(16)0.88552(14)0.0248(4)
H5A0.2298000.1326440.8905100.030*
H5B0.0901380.1997530.8966970.030*
C60.19155(17)0.24412(16)0.97293(14)0.0228(4)
H6A0.1629910.1841231.0468020.034*
H6B0.1404500.3192320.9676110.034*
H6C0.2795760.2521980.9615650.034*
C70.02414(17)0.32960(16)0.64874(17)0.0266(4)
H7A0.0488230.4063970.5915970.032*
H7B−0.0134920.3383860.7209010.032*
C8−0.06881(17)0.29051(18)0.61691(17)0.0293(4)
H8A−0.1407280.3510110.6058470.044*
H8B−0.0972400.2172800.6763600.044*
H8C−0.0293270.2776240.5476640.044*
C90.56162(16)0.16826(14)0.38555(14)0.0176(3)
H90.4987650.1484420.3654280.021*
C100.66789(16)0.08988(14)0.40218(14)0.0181(3)
H100.6774030.0177620.3935760.022*
C110.76067(15)0.11732(14)0.43154(13)0.0149(3)
C120.74283(15)0.22512(14)0.44183(14)0.0171(3)
H120.8051420.2477750.4601790.021*
C130.63360(15)0.29795(14)0.42496(14)0.0166(3)
H130.6213540.3703060.4337190.020*
C140.87041(15)0.03032(14)0.45404(13)0.0167(3)
H140.879863−0.0398310.4419830.020*
C150.32950(15)0.58031(13)0.18764(13)0.0150(3)
H150.2783370.5342340.1820180.018*
C160.34066(15)0.69352(14)0.10925(13)0.0156(3)
H160.2970960.7243450.0514940.019*
C170.41625(15)0.76200(13)0.11561(13)0.0139(3)
C180.47594(15)0.71347(14)0.20364(13)0.0152(3)
H180.5273120.7577540.2114250.018*
C190.45930(15)0.60071(14)0.27886(13)0.0151(3)
H190.4995890.5688480.3388640.018*
C200.43083(15)0.88201(14)0.03285(13)0.0155(3)
H200.3902810.913673−0.0269800.019*
C210.21585(19)0.59990(17)0.93470(17)0.0291(4)
C220.31250(18)0.52305(17)0.89175(16)0.0300(4)
H22A0.3398600.4561450.9538210.045*
H22B0.3839200.5661600.8422110.045*
H22C0.2792020.4947820.8501250.045*
C231.0354(2)−0.02649(18)0.11918(17)0.0332(5)
C240.9283(2)0.04170(19)0.16674(18)0.0394(5)
H24A0.861349−0.0082590.2135890.059*
H24B0.8973350.1082830.1064460.059*
H24C0.9544890.0706520.2119690.059*

Source of material

The Zn[S2P(OEt)2]2 precursor was prepared in high yield from the in situ reaction of Zn(NO3)2⋅6 H2O (Alfa Aesar; 14.87 g, 0.05 mol), EtOH (Merck; 12.25 mL, 0.21 mol), P2S5 (Sigma-Aldrich; 11.11 g, 0.05 mol) and 50° w/w NaOH solution (Merck; 8.80 mL, 0.11 mol). The ligand, 1,2-bis(4-pyridylmethylene)hydrazine, was prepared in high yield from the 2:1 reflux reaction of 4-picolylamine (Aldrich; 2.03 mL, 0.02 mol) and hydrazinium hydroxide (Merck; 0.49 mL, 0.01 mol) in ethanol solution (Merck; 5 mL). The title compound was obtained by mixing the suspension of Zn[S2P(OEt)2]2 (0.50 g, 1.15 mmol) and 1,2-bis(4-pyridylmethylene)hydrazine (0.25 g, 1.20 mmol) in dimethylformamide (Merck; 5 mL), followed by stirring for 30 min at 373 K. The solution was filtered and the filtrate was collected in a sample vial containing acetonitrile (Merck; 1 mL). Yellow blocks formed after one day. Yield: 0.55 g, (66%, based on Zn[S2P(OEt)2]2). M. pt. (Biobase Automatic Melting Apparatus MP45): 387.15−388.95 K. IR (Bruker Vertex 70 V equipped with Platinum ATR from 400 to 80 cm−1, cm−1): 1015(s) ν(C—O), 932(s) ν(P—O), 661(s) ν(P—S)asym, 522(m) ν(P—S)sym. 1H NMR (Bruker Ascend 400 MHz, d6-DMSO): δ [p.p.m.] 8.75 (dd, 4H, 2-aryl-H, 3JHH = 6.04 Hz, 4JHH = 2.92 Hz), 8.70 (s, 2H, N= CH), 7.83 (dd, 4H, 3-aryl-H, 3JHH = 6.08 Hz, 4JHH = 2.92 Hz), 3.82 (dq, 8H, OCH2, 3JPH = 9.08 Hz, 3JHH = 7.10 Hz), 2.08 (s, 6H, CH3CN), 1.14 (t, 12H, CH3, 3JHH = 7.08 Hz). 13C{1H} NMR (Bruker Ascend 400 MHz, d6-DMSO): δ [p.p.m.] 159.6 (C= N), 150.5 (2-C5H4N), 140.6 (1-C5H4N), 122.2 (3-C5H4N), 118.1 (CH3CN), 60.0 (d, OCH2, 2JPC = 6.69 Hz), 16.1 (d, CH3, 3JPC = 8.75 Hz), 1.2 (CH3CN). 31P{1H} NMR (Bruker Ascend 400 MHz, d6-DMSO): δ [p.p.m.] 112.2.

Experimental details

The C-bound H atoms were geometrically placed (C—H = 0.95−0.99 Å) and refined as riding with Uiso(H) = 1.2−1.5Ueq(C). Analysis of the residual electron density revealed that one of the two acetonitrile molecules (C23, C24, N6) is disordered over two positions with occupancy factors of 0.9 and 0.1. Refinement of a heavily restrained/constrained disordered model was unsatisfactory and was not included in the final refinement.

Comment

Four-coordinate ZnS4 geometries and supramolecular association leading to dimers and chains characterize the structural chemistry of the homoleptic zinc dithiophosphates, {Zn[S2P(OR)2]2}n [5]. The addition of potentially bridging bipyridyl donors might be expected to increase the dimensionality of the resultant species; however, four-coordination prevails, leading to binculear species or polymeric chains only [6]. The adoption of zero- or one-dimensional species is regulated by steric effects associated with the span of the bridge provided by the bipyridyl donor and/or the steric bulk of the remote R group in the dithiophosphate ligand [6], [7], [8]. A key example of this phenomenon is found when R = cyclohexyl in Zn[S2P(OR)2]2. Thus, when the bipyridyl donor is 4,4′-bipyridine, only the binuclear structure, i.e. {Zn[S2P(OCy)2]2}2(4,4′-bipyridine), could be isolated despite the stoichiometry of the respective reagents employed in the reaction [8]. When the bridging ligand was 1,2-bis(4-pyridylmethylene)hydrazine, i.e. with a significantly greater distance between the bridging-nitrogen atoms, a zigzag chain for {Zn[S2P(OCy)2]2(1,2-bis(4-pyridylmethylene)hydrazine)}2 ensued [9]. In continuation of systematic studies in this area [7], [8], [9], [10], herein the crystal and molecular structures of polymeric {Zn[S2P(OEt)2]2(1,2-bis(4-pyridylmethylene)hydrazine)}n, isolated with two molecules of acetontrile per repeat unit, are described.

The asymmetric unit is shown in the figure (70% displacement ellipsoids; symmetry operations i: 2 – x, − y, 1 – z and ii: 1 – x, 2 – y, − z) and has been extended to show the full bridging 1,2-bis(4-pyridylmethylene)hydrazine molecules (each disposed about a centre of inversion) and to highlight the zigzag topology of the chain thus formed. The zinc(II) centre is coordinated by two monodentate dithiophosphate ligands [Zn—S1, S3 = 2.2964(4) and 2.3468(4) Å] and two nitrogen atoms derived from two bridging 1,2-bis(4-pyridylmethylene)hydrazine ligands [Zn—N1, N3 = 2.0624(13) and 2.0493(13) Å]. As noted earlier [10], the disparity in the P—S bond lengths [P1—S1, S2 = 2.0372(6) and 1.9385(6) Å; P2—S3, S4 = 2.0278(5) and 1.9396(6) Å], with the short P—S bonds associated with the non-coordinating sulfur atoms, is as expected. The relatively narrow range of angles subtended at the zinc atom, S3—Zn—N3 [97.00(4)°] to S1—Zn—N3 [118.58(4)°] indicated minor deviations from a tetrahedral geometry for the N2S2 donor set.

In the crystal, the chains are approximately orientated along [1 2̄ 1]. These are connected into a three-dimensional architecture by pyridyl-C—H⋯S [C10—H10⋯S4i: H10⋯S4i = 2.73 Å, C10⋯S4i = 3.6106(19) Å with angle at H10 = 154° for symmetry operation i: 1 – x, − y, 1 – z], methyl-C—H⋯N(hydrazine) [C4—H4c⋯N2i: H4c⋯N2i = 2.56 Å, C4⋯N2i = 3.453(2) Å, angle = 151°] and acetonitrile-C—H⋯S [C22—H22a⋯S2ii: H22a⋯S2ii = 2.84 Å, C22⋯S2ii = 3.792(2) Å and angle = 164° and C22—H22b⋯S2iii: H22b⋯S2iii = 2.86 Å, C22⋯S2iii = 3.641(2) Å and angle = 137° for ii: x, y, 1 + z and iii: 1 – x, 1 – y, 1 – z] interactions. The latter contacts prove the crucial role of the N5-acetonitrile solvent molecule in assembling the chains and lead to the formation of centrosymmetric eight-membered {⋯S⋯HCH}2 synthons. However, no specific role is noted for the second independent N6-acetonitrile molecule thus also explaining why this molecule is disordered in the crystal.

Acknowledgements

Sunway University is thanked for supporting crystal engineering studies of metal 1,1-dithiolates.

References

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Received: 2019-02-15
Accepted: 2019-03-16
Published Online: 2019-07-09
Published in Print: 2019-09-25

©2019 Yee Seng Tan et al., published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution 4.0 Public License.

Artikel in diesem Heft

  1. Frontmatter
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  3. Crystal structure of 2-((1H-benzo[d]imidazol-2-ylimino)methyl)-4,6-di-tert-butylphenol, C22H27N3O
  4. Crystal structure of (4-ethoxynaphthalen-1-yl)(furan-2-yl)methanone, C17H14O3
  5. Crystal structure of 1-nonylpyridazin-1-ium iodide, C13H23N2I
  6. Crystal structure of bis[diaqua(1,10-phenanthroline-κ2N, N′)-copper(II)]diphenylphosphopentamolybdate dihydrate, C36H38Cu2Mo5N4O27P2
  7. The crystal structure of tetrakis(imidazole)-copper(I) hexafluorophosphate, C12H16CuF6PN8
  8. The crystal structure of dimethyl ((3,5-di-tert-butyl-4-hydroxyphenyl)(phenyl)methyl)phosphonate, C23H33O4P
  9. Crystal structure of diaqua-bis(1,10-phenanthroline κ2N,N′)nickel(II) trifluoroacetate- trifluoroacetic acid (1/1), C30H21F9N4NiO8
  10. Crystal structure of 2-(naphthalen-2-yl)-1,8-naphthyridine, C18H12N2
  11. Synthesis and crystal structure of a new polymorph of diisopropylammonium trichloroacetate, C8H16Cl3NO2
  12. Crystal structure of dimethanol-bis(1-((2-methyl-1H-benzo[d]imidazol-1-yl)methyl)-1H-benzo[d][1,2,3]triazole-κN)-bis(thiocyanato-κN)cadmium(II) C34H34CdN12O2S2
  13. Crystal structure of ethyl 2,2-difluoro-2-(7-methoxy-2-oxo-2H-chromen-3-yl)acetate, C14H12F2O5
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  17. Crystal structure of catena-{poly[bis(O,O′-diethyldithiophosphato-S)-(μ2-1,2-bis(4-pyridylmethylene)hydrazine-N,N′)-zinc(II)] di-acetonitrile solvate}, {C20H30N4O4P2S4Zn ⋅ 2 C2H3N}n
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  19. Crystal structure of cyclohexane-1,4-diammonium 2-[(2-carboxylatophenyl)disulfanyl]benzoate — dimethylformamide — monohydrate (1/1/1), [C6H16N2][C14H8O4S2] ⋅ C3H7NO⋅H2O
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  27. Crystal structure and optical properties of 1,6-bis(methylthio)pyrene, C18H14S2
  28. The crystal structure of hexaquamagnesium(II) bis(3,4-dinitropyrazol-1-ide), C6H14MgN8O14
  29. Halogen bonds in the crystal structure of 4,3:5,4-terpyridine – 1,4-diiodotetrafluorobenzene (1/1), C21H11F4I2N3
  30. Crystal structure and photochromic properties of a novel photochromic perfluordiarylethene containing a triazole bridged pyridine group moiety, C24H18F6N4S2
  31. Crystal structure of bis[(μ3-oxido)-(μ2-(N,N-diisopropylthiocarbamoylthio) acetato-κ2O,O′)-((N,N-diisopropylthiocarbamoylthio)acetato-κO)-bis(di-4-methylbenzyl-tin(IV))], C100H136N4O10S8Sn4
  32. Crystal structure of dibromidobis(4-bromobenzyl)tin(IV), C14H12Br4Sn
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  34. The crystal structure of (E)-3-(4-(dimethylamino)styryl)-5,5-dimethylcyclohex-2-en-1-one, C18H23NO
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  42. Crystal structure of 2-(prop-2-yn-1-yloxy)-1-naphthaldehyde, C14H10O2
  43. Crystal structure and photochromic properties of 1-(2-methyl-5-phenyl-3-thienyl)-2-{2-methyl-5-[4-(9-fluorenone hydrazone)-phenyl]-3-thienyl}perfluorocyclopentene, C41H26F6N2S2
  44. Hydrothermal synthesis and crystal structure of cylo[tetraaqua-bis(μ2-1,4-bis(1H-benzo[d]imidazol-1-yl)but-2-ene-κ2N:N′)-bis(μ2-4-nitro-phthalate-κ2O,O′)dinickel(II)], C26H23N5O8Ni
  45. Crystal structure of 3-[methyl(phenyl)amino]-1-phenylthiourea, C14H15N3S
  46. Crystal structure of 1-(4-chlorophenyl)-3-[methyl(phenyl)amino]thiourea, C14H14ClN3S
  47. Crystal structure of 2-tert-butyl-1H-imidazo[4,5-b]pyridine, C10H13N3
  48. Crystal structure of 5-carboxy-2-(2-carboxyphenyl)-1H-imidazol-3-ium-4-carboxylate dihydrate, C12H8N2O6⋅2(H2O)
  49. The crystal structure of dichlorido-μ2-dichlorido-(η2-1,4-bis(4-vinylbenzyl)-1,4-diazabicyclo[2.2.2]octane-1,4-diium)dicopper(I), C24H30N2Cu2Cl4
  50. Crystal structure of 4-bromobenzyl (Z)-N-(adamantan-1-yl)morpholine-4-carbothioimidate, C22H29BrN2OS
  51. Crystal structure of (4S,4aS,6aR,6bR,12aS,12bR,14aS,14bR)-3,3,6a,6b,9,9,12a-heptamethyloctadecahydro-1H,3H-4,14b-ethanophenanthro[1,2-h]isochromene-1(6bH)-one, C30H48O2
  52. Crystal structure of 3,5-bis(trifluoromethyl)benzyl (Z)-N′-(adamantan-1-yl)-4-phenylpiperazine-1-carbothioimidate, C30H33F6N3S
  53. The crystal structure of 3-methoxyphenanthridin-6(5H)-one, C14H11NO2
  54. Crystal structure of 4-(5,5-difluoro-1,3,7,9-tetramethyl-3H,5H-5λ4-dipyrrolo[1,2-c:2′,1′-f][1,3,2]diazaborinin-10-yl)pyridin-1-ium tetraiodidoferrate(III), C18H19BF2FeI4N3
  55. Crystal structure of 2-(3-methoxyphenyl)-3-((phenylsulfonyl)methyl)imidazo[1,2-a]pyridine, C21H18N2O3S
  56. Crystal structure of [(2-(2-chlorophenyl)-5-ethyl-1,3-dioxane-5-carboxylato-κ2O,O′) (5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane-κ4N,N′,N′′,N′′′)]nickel(II) perchlorate, C29H50Cl2N4NiO8
  57. Crystal structure of (Z)-6-(dimethylamino)-3,3-bis(4-(dimethylamino)phenyl)-2-(2-(quinoxalin-2-ylmethylene)hydrazinyl)-2,3-dihydroinden-1-one, C35H35N7O
  58. 5-Methyl-N′-[5-methyl-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carbonyl]-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carbohydrazide, C22H22N8O2
  59. Crystal structure of 2,3-dichloro-6-methoxyquinoxaline, C9H6Cl2N2O
  60. Synthesis and crystal structure of 7-chloro-2-(ethylsulfinyl)-6-fluoro-3-(1H-pyrazole-1-yl)-4H-thiochromen-4-one, C13H10FN3OS2
  61. Crystal structure of 4-ethylpiperazine-1-carbothioic dithioperoxyanhydride, C14H26N4S4
  62. Crystal structure of 2-(2-(6-methylpyridin-2-yl)naphthalen-1-yl)pyrimidine, C20H15N3
  63. The crystal structure of N′-((1E,2E)-4-(7-methoxy-2-oxo-2H-chromen-8-yl)-2-methylbut-2-en-1-ylidene)-3-methylbenzohydrazide, C23H22N2O4
  64. Crystal structure of catena-poly[(μ2-isophthalato-κ2O:O′)-(2,5-di(pyrazin-2-yl)-4,4′-bipyridine-κ3N,N′,N′′)zinc(II)] — water (2/5), C26H21N6O6.5Zn
  65. Crystal structure of (3E,5E)-3,5-bis(3-nitrobenzylidene)-1-((4-(trifluoromethyl)phenyl)sulfonyl)piperidin-4-one — dichloromethane (2/1), C53H38Cl2F6N6O14S2
  66. Crystal structure of (μ2-oxido)-bis(N,N′-o-phenylenebis(salicylideneiminato))diiron(III) — N,N′-dimethylformamide, C47H43Fe2N4O9
  67. Crystal structure of N1,N3-bis(2-hydroxyethyl)-N1, N1,N3,N3-tetramethylpropane-1,3-diaminium dibromide, C11H28Br2N2O2
  68. Crystal structure of (E)-N-(4-chlorophenyl)-1-(pyridin-2-yl)methanimine, C12H9ClN2
  69. Crystal structure of 8-bromo-6-oxo-2-phenyl-6H-pyrrolo[3,2,1-ij]quinoline-5-carbaldehyde, C18H11BrNO2
  70. Crystal structure of 1,4-bis(2-azidoethyl)piperazine-1,4-diium dichloride trihydrate, C8H18N8Cl2 ⋅ 3 H2O
  71. Crystal structure of (E)-4-bromo-N-(pyridin-2-ylmethylene)aniline, C12H9BrN2
  72. Crystal structure of bis[(2-(3-bromophenyl)-5-methyl-1,3-dioxane-5-carboxylato-κ-O)-(5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane-κ4N,N′,N′′,N′′′)]nickel(II), C40H60Br2N4NiO8
  73. The crystal structure of (1E,2E)-2-methyl-4-((7-oxo-7H-furo[3,2-g]chromen-9-yl)oxy)but-2-enal O-isonicotinoyl oxime–trichloromethane (3/1), C67H49Cl3N6O18
  74. Crystal structure of 3-(2-ethoxy-2-oxoethyl)-1-methyl-1H-imidazol-3-ium hexafluoridophosphate(V), C8H13F6N2O2P
  75. Crystal structure of bis[(2-(2-bromophenyl)-5-ethyl-1,3-dioxane-5-carboxylato-κO)-(5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane-κ4N,N′,N′′,N′′′)]nickel(II) hemihydrate C42H65Br2N4NiO8.5
  76. The crystal structure of N-(7-(4-fluorobenzylidene)-3-(4-fluorophenyl)-3,3a,4,5,6,7-hexahydro-2H-indazole-2-carbonothioyl)benzamide, C28H23F2N3OS
  77. The crystal structure of N1,N4-bis(pyridin-3-yl)cyclohexane-1,4-dicarboxamide, C18H20N4O2
  78. Crystal structure of (E)-2-(3,6-bis(ethylamino)-2,7-dimethyl-9H-xanthen-9-yl)-N′-((6-methylpyridin-2-yl)methylene)benzohydrazide – methanol (1/1), C34H37N5O3
  79. Crystal structure of 2-oxo-1-(pyrimidin-5-ylmethyl)-3-(3-(trifluoromethyl)phenyl)-1,2-dihydro-5l4-pyrido[1,2-a]pyrimidin-4-olate, C20H13F3N4O2
  80. Crystal structure of poly[(μ3-9H-carbazole-3,6-dicarboxylato-κ3O1: O2: O3)(μ2-4-(pyridin-4-yl)pyridine-κ2N1:N1′)zinc(II)], C19H11N2O4Zn
  81. Crystal structure of (E)-N′-((1,8-dihydropyren-1-yl)-methylene)picolinohydrazide, C23H15N3O
  82. Crystal structure of catena-poly{[μ2-1,2-bis(diphenylphosphino)ethane]dichloridocadmium(II)}, C26H24CdCl2P2
  83. Crystal structure of the 1:2 co-crystal between N,N′-bis(4-pyridylmethyl)oxalamide and acetic acid as a dihydrate, C14H14N4O2⋅2 C2H4O2⋅2 H2O
  84. Crystal structure of the co-crystal N,N′-bis(3-pyridylmethyl)oxalamide acetic acid (1/2), C14H14N4O2⋅2C2H4O2
  85. Crystal structure of the co-crystal N,N′-bis(4-pyridylmethyl)oxalamide and 2,3,5,6-tetrafluoro-1,4-di-iodobenzene (1/1), C14H14N4O2⋅C6F4I2
  86. Crystal structure of the co-crystal 4-[(4-carboxyphenyl)disulfanyl]benzoic acid–(1E,4E)-1-N,4-N-bis(pyridin-4-ylmethylidene)cyclohexane-1,4-diamine (1/1), C14H10O4S2⋅C18H20N4
  87. Crystal structure of hexacarbonyl-bis(μ2-di-n-propyldithiocarbamato-κ3S,S′:S3S:S:S′)-di-rhenium(I), C20H28N2O6Re2S4
  88. Crystal structure of fac-tricarbonyl-morpholine-κN-(morpholinocarbamodithioato-κ2S,S′)rhenium(I), C12H17N2O5ReS2
Heruntergeladen am 29.9.2025 von https://www.degruyterbrill.com/document/doi/10.1515/ncrs-2019-0116/html
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